探索合成气发酵回收高价值资源的潜力：全面综述

IF 6.4 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Current Pollution Reports Pub Date : 2024-11-21 DOI:10.1007/s40726-024-00337-3

Alvaro S. Neto, Steven Wainaina, Konstantinos Chandolias, Pawel Piatek, Mohammad J. Taherzadeh

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引用次数: 0

摘要

合成气（syngas）发酵是一种很有前途的生物方法，可利用产乙酸细菌将工业废气，特别是工业废气（如钢铁生产或城市垃圾气化）中的一氧化碳（CO）和二氧化碳（CO₂）转化为生物燃料、化学品和动物饲料等高价值产品。本综述指出并探讨了阻碍该技术大规模应用的关键挑战，包括气体传质的局限性、对微生物代谢途径的不完全了解以及不理想的生物工艺条件。我们的研究结果强调了微生物菌种选择和生物工艺优化在提高生产率和可扩展性方面的关键作用，重点是利用多样化的微生物群和高效的反应器系统。通过研究微生物调节、操作参数和反应器设计方面的最新进展，本研究为提高合成气发酵效率提供了可行的见解，为克服当前的技术障碍，使其在大宗化学品生产之外的更广泛工业应用提供了途径。

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Exploring the Potential of Syngas Fermentation for Recovery of High-Value Resources: A Comprehensive Review

Synthesis gas (syngas) fermentation represents a promising biological method for converting industrial waste gases, particularly carbon monoxide (CO) and carbon dioxide (CO₂) from industrial sources (e.g. steel production or municipal waste gasification), into high-value products such as biofuels, chemicals, and animal feed using acetogenic bacteria. This review identifies and addresses key challenges that hinder the large-scale adoption of this technology, including limitations in gas mass transfer, an incomplete understanding of microbial metabolic pathways, and suboptimal bioprocess conditions. Our findings emphasize the critical role of microbial strain selection and bioprocess optimization to enhance productivity and scalability, with a focus on utilizing diverse microbial consortia and efficient reactor systems. By examining recent advancements in microbial conditioning, operational parameters, and reactor design, this study provides actionable insights to improve syngas fermentation efficiency, suggesting pathways towards overcoming current technical barriers for its broader industrial application beyond the production of bulk chemicals.

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来源期刊

Current Pollution Reports Environmental Science-Water Science and Technology

CiteScore

12.10

自引率

1.40%

发文量

期刊介绍： Current Pollution Reports provides in-depth review articles contributed by international experts on the most significant developments in the field of environmental pollution.By presenting clear, insightful, balanced reviews that emphasize recently published papers of major importance, the journal elucidates current and emerging approaches to identification, characterization, treatment, management of pollutants and much more.